崔東学 (Donghak Choi) - マイポータル

基本情報

所属: 北里大学一般教育部准教授

学位: 博士（理学）(東京都立大学)

J-GLOBAL ID: 200901043109047138
researchmap会員ID: 5000094647

研究キーワード

研究分野

受賞

2011年

NI Presents the 2011 Graphical system Design Achievement Awards, Humanitarian Award, National Instruments

K.Ohbayashi, D.Choi, H.Hiro-Oka, K.Shimizu
2011年

NI Presents the 2011 Graphical system Design Achievement Awards, Editor's Choice Award, National Instruments

K.Ohbayashi, D.Choi, H.Hiro-Oka, K.Shimizu
2008年

NI Presents the 2008 Graphical system Design Achievement Awards, Customer Application of the Year 2008, National Instruments

K.Ohbayashi, D.Choi, H.Hiro-Oka, H.Furukawa, R.Yoshimura, M.Nakanishi, K.Shimizu
2008年

NI Presents the 2008 Graphical system Design Achievement Awards, Biotechnology/Life Sciences Award, National Instruments

K.Ohbayashi, D.Choi, H.Hiro-Oka, H.Furukawa, R.Yoshimura, M.Nakanishi, K.Shimizu

論文

Dynamic optical coherence tomography imaging of the lacrimal passage with an extrinsic contrast agent

Reiko Yoshimura, Dong-Hak Choi, Masahiro Fujimoto, Akihito Uji, Fumiko Hiwatashi, Kohji Ohbayashi

Biomedical Optics Express 10(3) 1482-1495 2019年査読有り
Tuning of successively scanned two monolithic Vernier-tuned lasers and selective data sampling in optical comb swept source optical coherence tomography

Donghak Choi, Reiko Yoshimura, Kohji Ohbayashi

Biomedical Optics Express 4(12) 2962-2987 2013年査読有り
The Impact of Real-Time 3D Imaging by Ultra-High Speed Optical Coherence Tomography with Urothelial Carcinoma

Masaomi Ikeda, Kazumasa Matsumoto, Donghak Choi, Morihiro Nishi, Tetsuo Fujita, Kohji Ohbayashi, Kimiya Shimizu, Masatsugu Iwamura

BMC Urology 13:65 65-65 2013年査読有り
Spectral domain optical coherence tomography of multi-MHz A-scan rates at 1310 nm range and real-time 4D-display up to 41 volumes/second

D. Choi, H. Hiro-Oka, K. Shimizu, K. Ohbayashi

Biomedical Optics Express 3(12) 3067-3086 2012年査読有り
Full-range imaging of eye accommodation by high-speed long-depth range optical frequency domain imaging

Hiroyuki Furukawa, Hideaki Hiro-Oka, Nobuyuki Satoh, Reiko Yoshimura, Donghak Choi, Motoi Nakanishi, Akihito Igarashi, Hitoshi Ishikawa, Kohji Ohbayashi, Kimiya Shimizu

Biomedical Optics Express 1(5) 1491-1501 2010年査読有り
Fourier Domain Optical Coherence Tomography Using Optical Demultiplexers Imaging at 60,000,000 Lines/s

Donghak Choi, Hideaki Hiro-Oka, Hiroyuki Furukawa, Reiko Yoshimura, Motoi Nakanishi, Kimiya Shimizu, Kohji Ohbayashi

Optics Letters 33(12) 1318-1320 2008年査読有り
Numerical compensation of dispersion mismatch in discretely swept optical-frequency-domain-reffectometry optical coherence tomography

Donghak Choi, Hideaki Hiko-Oka, Takuji Amano, Hiroyuki Furukawa, Fumiyoshi Kano, Motoi Nakanishi, Kimiya Shimizu, Kohji Ohbayashi

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 45(7) 6022-6027 2006年7月査読有り
Improved Sensitivity of Optical Frequency Domain Reflectometry-Optical Coherence Tomography Using a Semiconductor Optical Amplifier

Pachamuthu Jayavel, Takuji Amano, DongHak Choi, Hiroyuki Furukawa, Hideaki Hiro-Oka, Kota Asaka, Kohji Ohbayashi

Japanese Journal of Applied Physics 45(46-50) L1317-L1319 2006年査読有り
Optical frequency-domain reflectometry with a rapidwavelength-scanning superstructure-grating distributed Bragg reflector laser

T. Amano, H. Hiro-Oka, D. Choi, H. Furukawa, F. Kano, M. Takeda, M. Nakanishi, K. Shimizu, K. Ohbayashi

Applied Optics 44(5) 808-816 2005年査読有り
Generalized Amplitude Truncation of Gaussian 1/f α Noise

D. Choi, N. Fuchikami

Journal of the Physical Society of Japan 70 297-304 2001年査読有り
Amplitude truncation of Gaussian 1/f noises: Results and problems

Gingl, S. Ishioka, D. Choi, N. Fuchikami

Chaos, An Interdisciplinary Journal of Nonlinear Science 11(3) 619-623 2001年査読有り
Amplitude truncation of Gaussian 1/f α noises

S. Ishioka, Z. Gingl, D. Choi, N. Fuchikami

Physics Letters A 269 7-12 2000年査読有り
Observation of Chaotic Attractor in Spatially Extended Systems: Coarse-Grained Dimension of Frozen Chaos

D. Choi, N. Fuchikami, E. Hirokami, S. Ishioka, M. Naito

Japanese Journal of Applied Physics 38 3784-3792 1999年
Phonon Number Fluctuations in One-Dimensional Fermi-Pasta-Ulam Lattices

H. Kawamura, N. Fuchikami, D. Choi, S. Ishioka

Japanese Journal of Applied Physics 35 2387-2393 1996年査読有り

MISC

Morphological diversity of lacrimal canaliculus observed by dynamic OCT with extrinsic contrast agent

Reiko Yoshimura, Dong-hak Choi, Masahiro Fujimoto, Akihito Uji, Fumiko Hiwatashi, Kohji Ohbayashi

Proceedings of SPIE 11218 112181T1-T5 2020年
Lacrimal canaliculus imaging by dynamic OCT using extrinsic contrast agent

Reiko Yoshimura, Dong-Hak Choi, Masahiro Fujimoto, Akihito Uji, Fumiko Hiwatashi, Koji Ohbayashi

Proceedings of SPIE 10058 100581H1-H6 2019年
Speckle variance optical coherence tomography using an SS-OCT system and an extended k-sampling clock

Reiko Yoshimura, Dong-Hak Choi, Koji Ohbayashi

Proceedings of SPIE 10053 100532P1-P8 2017年
Enhancement of the depth range up to 13.8 mm with filtered external k-sampling-clock in an SS-OCT system using a reflective Fabry-Perot tunable laser

Hisashi Yamada, Yasuo Niimura, Fumiko Hiwatashi, Dong-Hac Choi, Koji Ohbayashi

Proceedings of SPIE 8571 85710C1-C6 2013年
Optical amplification of the signal and sensitivity of the ultrafast spectral domain optical coherence tomography at an A-scan rate of 10MHz in a wavelength region of 1300nm

D. Choi, H. Hiro-oka, K. Shimizu, K. Ohbayashi

Proceedings of SPIE 8213 82131F1-F9 2012年
Image diversity, shape modification with accommodation, dynamical change with accommodation, and age dependence of the ciliary body imaged by optical coherence tomography

Kimiya Shimizu, Nobuyuki Satou, Akihito Igarashi, Motoi Nakanishi, Atsushi Goto, Donghak Choi, Reiko Yoshimura, Hideaki Hiro-Oka, Hiroyuki Furukawa, Kohji Ohbayashi

Proceedings of SPIE 8209 8209909-1-9 2012年
Discretely swept optical coherence tomography system using superstructure grating distributed Bragg reflector lasers at 1561-1639nm

D. Choi, R. Yoshimura, H. Hiro-Oka, H. Furukawa, A. Goto, N. Satoh, A. Igarashi, M. Nakanishi, K. Shimizu, K. Ohbayashi

Proceedings of SPIE 8213 82132F1-F6 2012年
Full-range imaging of the whole anterior segment of eye by high-speed optical frequency domain imaging using a reflective Fabry-Perot tunable laser

Hiroyuki Furukawa, Hideaki Hiro-Oka, Reiko Yoshimura, Dong-Hak Choi, Motoi Nakanishi, Akihito Igarashi, Kohji Ohbayashi, Kimiya Shimizu

Proceedings of SPIE 7885 78850V1-V8 2011年
Ultra-high speed real-time 4D display system installed in ultra-highspeed parallel OCT system at a volume rate of 12 volumes/sec

K. Ohbayashi, D. Choi, H. Hiro-oka, A. Kubota, T. Ohno, R. Ikeda, K. Shimizu

Proceedings of SPIE 7889 78891Z1-Z8 2011年
24 mm depth range discretely swept optical frequency domain imaging in dentistry

Hideo Kakuma, DongHak Choi, Hiroyuki Furukawa, Hideaki Hiro-Oka, Kohji Ohbayashi

Proceedings of SPIE 7162 716208-1-8 2009年
60 MHz A-line rate ultra-high speed Fourier-domain optical coherence tomography

K. Ohbayashi, D. Choi, H. Hiro-Oka, H. Furukawa, R. Yoshimura, M. Nakanishi, K. Shimizu

Proceedings of SPIE 6847 68470M1-M5 2008年
Doppler Optical Coherence Tomography Measurements in Discretely Swept Optical Coherence Tomography

R. Yoshimura, H. Hiro-oka, D. Choi, H. Furukawa, N. Fujiwara, K. Ohbayashi

Proceedings of SPIE 6847 68472G1-G6 2008年
Use of Cosine Tapered Window to Improve Dynamic Range of OCT without Loss of Resolution

Hiro-Oka H, Choi D H, Furukawa H, Yoshimura R, Ohbayashi K, Wakabayashi T

Proceedings of SPIE 6847 68472G1-G6 2008年
Penetration Depth of Optical Frequency Domain Imaging at Wavelengths of 1310 nm and 1550 nm

Furukawa H, Hiro-Oka H, Choi D H, Yoshimura R, Nakanishi M, Shimizu K, Ohbayashi K

Proceedings of SPIE 6847 68472V1-V4 2008年
Evaluation of filtering bleb imaging using a new optical coherence tomography

Hiromasa Suzuki, Kimiya Shimizu, Nobuyuki Shoji, Motoi Nakanishi, Takuji Amano, Hideaki Hiro-oka, DongHak Choi, Hiroyuki Furukawa, Kohji Ohbayashi

The Kitasato Medical Journal 37(1) 1-6 2007年
A method of improving scanning speed and resolution of OFDR-OCT using multiple SSG-DBR lasers

DongHak Choi, Hideaki Hiro-Oka, Takuji Amano, Hiroyuki Furukawa, Naoki Fujiwara, Hiroyuki Ishii, Kohji Ohbayashi

Proceedings of SPIE 6429 6429E1-E7 2007年
Discretely swept optical-frequency domain imaging toward high-resolution, high-speed, high-sensitivity

Kohji Ohbayashi, Takuji Amano, Hideaki Hiro-Oka, Hiroyuki Furukawa, DongHak Choi, Pachamuthu Jayavel, Ryoko Yoshimura, Kota Asaka, Naoki Fujiwara, Hiroyuki Ishii …

Proceedings of SPIE 6429 64291G1-G1 2007年
High-speed optical-frequency domain imaging by one frame imaging within one single frequency sweep

Hiroyuki Furukawa, Takuji Amano, DongHak Choi, Hideaki Hiro-Oka, Kohji Ohbayashi

Proceedings of SPIE 6429 64292D1-D5 2007年
CS-13-4 周波数掃引OCT(CS-13.医療・健康分野における光・エレクトロニクス・情報通信技術の進展,シンポジウム)

古川裕之, 天野卓治, 廣岡秀明, 崔東学, 宮澤丈夫, 中西基, 清水公也, 大林康二

電子情報通信学会総合大会講演論文集 2006(1) "S-107"-"S-108" 2006年3月8日
Reconstruction of three-dimensional structure of an extracted tooth by OFDR-OCT

Hiroyuki Furukawa, Hideaki Hiro-Oka, Takuji Amano, DonngHak Choi, Takeo Miyazawa, Ryoko Yoshimura, Kimiya Shimizu, Kohji Ohbayashi

Proceedings of SPIE 6079 135-141 2006年

もっとみる

共同研究・競争的資金等の研究課題

超高速OCTを用いたOCTエラストグラフィーの研究開発

日本学術振興会科学研究費助成事業基盤研究(C) 2019年4月 - 2023年3月

崔東学
超高速OCTによる視神経の機能解析

日本学術振興会科学研究費助成事業基盤研究(C) 2013年4月 - 2016年3月

崔東学
SSG-DBR レーザーを用いたOFDR-OCTの開発

ＪＳＴ先端計測分析技術・機器開発事業 2002年 - 2009年
Development of OFDR-OCT using SSG-DBR laser

JST Development of Systems and Technology for Advanced Measurement and Analysis 2002年 - 2009年

崔東学

基本情報

研究キーワード

研究分野

受賞

論文

MISC

共同研究・競争的資金等の研究課題

メニュー

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